Cheeseburger Casserole

1lb Ground Beef

1 small onion, chopped

1 cup grated cheddar cheese

1 cup milk

1/2 cup Bisquik

2 eggs

• Brown ground beef and onions
• Spray 9in pie dish 
• Add ground beef, onion mixture to dish
• Top with cheese
• Whisk together the remaining ingredients in a separate bowl
• Pour over top of beef mixture
• Cook at 400 for 25 minutes